Home / 5,516.64-8,234.40-4,860.48

Finding the Fourth Proportional to 5,516.64, 8,234.40 and 4,860.48

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Solution

The fourth proportional to 5,516.64, 8,234.40 and 4,860.48 is: 7,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.64 : 8,234.40 = 4,860.48 : x
  2. Step 2: Convert to fraction form
    5,516.64/8,234.40 = 4,860.48/x
  3. Step 3: Cross multiply
    5,516.64x = 8,234.40 × 4,860.48
  4. Step 4: Simplify right side
    5,516.64x = 40,023,136.51
  5. Step 5: Solve for x
    x = 40,023,136.51/5,516.64
  6. Step 6: Final answer
    x = 7,254.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.